Casebacks
Showing all 13 results
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Black Seiko Caseback With Spacer
Read moreBlack Seiko Caseback With Spacer
- Material – 316L Surgical stainless steel
- Type/Design – Sterile case back no identification 500M rated – High polish finish – Integral spacer built in to allow fitment of movements with the thinner grey movement spacer e.g. NH35/36
- Finish – Black
- Suitable for: Seiko divers 200MÂ 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- New SRPD Collection
- 5 Sports collection – SRPD55K3, SRPD57K1, SRPD59K1, SRPD55K1, SRPD55K3, SRPD57K1, SRPD59K1, SRPD61K1, SRPD63K1, SRPD65K1, and SRPD65K4
- 5 Suits collection – SRPD65K2, SRPD67K1, SRPD69K1, SRPD71K1, SRPD71K2, SRPD73K1, SRPD73K2, and SRPD75K1
- 5 Specialists collection – SRPD55K2, SRPD65K3, and SRPD76K1
- 5 Street collection – SRPD79K1, SRPD81K1, and SRPD83K1
- 5 Sense collection – SRPD77K and SRPD85K1
- Mid-Size 200M – SKX013 SKX015
- SRP Turtle:Â SRP775 SRP777 SRP779 SRPA21 SRPC44 SRPC95
- Samurai:Â SRPB09 SRPB49 SRPB51 SRPB53 SRPB55 SRPB99 SRPC93 SRPD03
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Black Seiko Slim Case Back
27.17$ Add to cartBlack Seiko Slim Case Back
- Material – 316L Surgical stainless steel
- Type/Design – Sterile case back – slim/thinner design saving @0.9mm over the standard CT200 – 100M rated – Built in spacer for NH movements with grey movement holder
- Finish – Black
- Suitable for Seiko divers 200MÂ 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- Our Cases – CT700 CT702 CT705 CT706 CT707 CT708 CT709 CT712 CT713 CT714 CT715 CT716 CT717 CT718
- SRP Turtles – All
- Mid-Size 200M – SKX013 SKX015
- All New and Old Samurai models
- Vintage 150M 6306 6309 7002 – All variants
27.17$ -

Black Seiko Sterile Caseback
38.04$ Add to cartBlack Seiko Sterile Caseback
- Material – 316L Surgical stainless steel
- Type/Design – Sterile case back no identification 200M rated – Sterile
- Ref dimensions – Seiko dimensions.
- Finish BLACK PVD
- Suitable for: Seiko divers 200MÂ 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- 5 Sports collection – SRPD55K3, SRPD57K1, SRPD59K1, SRPD55K1, SRPD55K3, SRPD57K1, SRPD59K1, SRPD61K1, SRPD63K1, SRPD65K1, and SRPD65K4
- 5 Suits collection – SRPD65K2, SRPD67K1, SRPD69K1, SRPD71K1, SRPD71K2, SRPD73K1, SRPD73K2, and SRPD75K1
- 5 Specialists collection – SRPD55K2, SRPD65K3, and SRPD76K1
- 5 Street collection – SRPD79K1, SRPD81K1, and SRPD83K1
- 5 Sense collection – SRPD77K and SRPD85K1
- Mid-Size 200M – SKX013 SKX015
- Vintage 150M 6306 6309 7002 – All variants
- SRP Turtle:Â SRP775 SRP777 SRP779 SRPA21 SRPC44 SRPC95
- Samurai:Â SRPB09 SRPB49 SRPB51 SRPB53 SRPB55 SRPB99 SRPC93 SRPD03
38.04$ -

Brushed Seiko Slim Case Back
Read moreBrushed Seiko Slim Case Back
- Material – 316L Surgical stainless steel
- Type/Design – Sterile case back – slim/thinner design saving @0.9mm over the standard CT200 – 100M rated – Built in spacer for NH movements with grey movement holder
- Finish – Brushed top with polished sides
- Suitable for Seiko divers 200MÂ 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- Our Cases – CT700 CT702 CT705 CT706 CT707 CT708 CT709 CT712 CT713 CT714 CT715 CT716 CT717 CT718
- SRP Turtles – All
- Mid-Size 200M – SKX013 SKX015
- All New and Old Samurai models
- Vintage 150M 6306 6309 7002 – All variants
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CT200D – Diving Zombie Outbreak – Caseback
Read moreCT200D – Diving Zombie Outbreak – Caseback
General Description:
- Material – 316L Surgical stainless steel
- Type/Design – Sterile case back no identification 200M rated – Diving/Zombie Outbreak “Monkey King” to some.
- Ref dimensions – Seiko OEM dimensions.
- ALL OPTIONS SUPPLIED WITH NEW CASE BACK GASKET
- Additional info – Superb Case Back with laser etch options – Sterile option ideal for personalization custom laser etching. Supplied with new gasket/seal – check out our 7 laser options!
Suitable for:
- Seiko divers 200M 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- 5 Sports collection – SRPD55K3, SRPD57K1, SRPD59K1, SRPD55K1, SRPD55K3, SRPD57K1, SRPD59K1, SRPD61K1, SRPD63K1, SRPD65K1, and SRPD65K4
- 5 Suits collection – SRPD65K2, SRPD67K1, SRPD69K1, SRPD71K1, SRPD71K2, SRPD73K1, SRPD73K2, and SRPD75K1
- 5 Specialists collection – SRPD55K2, SRPD65K3, and SRPD76K1
- 5 Street collection – SRPD79K1, SRPD81K1, and SRPD83K1
- 5 Sense collection – SRPD77K and SRPD85K1
- Mid-Size 200M – SKX013 SKX015
- 6309-7040 6309-7049 6309-7290 6309-729A 6309-729B 6306-7000 6306-7001
- All New and Old Samurai models
- Vintage 150M 6306 6309 7002 – All variants
- SRP Turtle: SRP775 SRP777 SRP779 SRPA21 SRPC44 SRPC95
- Samurai: SRPB09 SRPB49 SRPB51 SRPB53 SRPB55 SRPB99 SRPC93 SRPD03
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CT200E – Hunter – Caseback
Read moreCT200E – Hunter – Caseback
General Description:
- Material – 316L Surgical stainless steel
- Type/Design – Sterile case back no identification 200M rated – Hunter
- Ref dimensions – Seiko OEM dimensions.
- ALL OPTIONS SUPPLIED WITH NEW CASE BACK GASKET
- Additional info – Superb Case Back with laser etch options – Sterile option ideal for personalization custom laser etching. Supplied with new gasket/seal – check out our 7 laser options!
Suitable for:
- Seiko divers 200M 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- 5 Sports collection – SRPD55K3, SRPD57K1, SRPD59K1, SRPD55K1, SRPD55K3, SRPD57K1, SRPD59K1, SRPD61K1, SRPD63K1, SRPD65K1, and SRPD65K4
- 5 Suits collection – SRPD65K2, SRPD67K1, SRPD69K1, SRPD71K1, SRPD71K2, SRPD73K1, SRPD73K2, and SRPD75K1
- 5 Specialists collection – SRPD55K2, SRPD65K3, and SRPD76K1
- 5 Street collection – SRPD79K1, SRPD81K1, and SRPD83K1
- 5 Sense collection – SRPD77K and SRPD85K1
- Mid-Size 200M – SKX013 SKX015
- 6309-7040 6309-7049 6309-7290 6309-729A 6309-729B 6306-7000 6306-7001
- All New and Old Samurai models
- Vintage 150M 6306 6309 7002 – All variants
- SRP Turtle: SRP775 SRP777 SRP779 SRPA21 SRPC44 SRPC95
- Samurai: SRPB09 SRPB49 SRPB51 SRPB53 SRPB55 SRPB99 SRPC93 SRPD03
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CT200F – Zombie Response Team – Caseback
Read moreCT200F – Zombie Response Team – Caseback
General Description:
- Material – 316L Surgical stainless steel
- Type/Design – Sterile case back no identification 200M rated – Zombie Response Team
- Ref dimensions – Seiko OEM dimensions.
- ALL OPTIONS SUPPLIED WITH NEW CASE BACK GASKET
- Additional info – Superb Case Back with laser etch options – Sterile option ideal for personalization custom laser etching. Supplied with new gasket/seal – check out our 7 laser options!
Suitable for:
- Seiko divers 200M 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- 5 Sports collection – SRPD55K3, SRPD57K1, SRPD59K1, SRPD55K1, SRPD55K3, SRPD57K1, SRPD59K1, SRPD61K1, SRPD63K1, SRPD65K1, and SRPD65K4
- 5 Suits collection – SRPD65K2, SRPD67K1, SRPD69K1, SRPD71K1, SRPD71K2, SRPD73K1, SRPD73K2, and SRPD75K1
- 5 Specialists collection – SRPD55K2, SRPD65K3, and SRPD76K1
- 5 Street collection – SRPD79K1, SRPD81K1, and SRPD83K1
- 5 Sense collection – SRPD77K and SRPD85K1
- Mid-Size 200M – SKX013 SKX015
- 6309-7040 6309-7049 6309-7290 6309-729A 6309-729B 6306-7000 6306-7001
- All New and Old Samurai models
- Vintage 150M 6306 6309 7002 – All variants
- SRP Turtle: SRP775 SRP777 SRP779 SRPA21 SRPC44 SRPC95
- Samurai: SRPB09 SRPB49 SRPB51 SRPB53 SRPB55 SRPB99 SRPC93 SRPD03
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CT200G – Good Guy – Caseback
Read moreCT200G – Good Guy – Caseback
General Description:
- Material – 316L Surgical stainless steel
- Type/Design – Sterile case back no identification 200M rated – Good Guy
- Ref dimensions – Seiko OEM dimensions.
- ALL OPTIONS SUPPLIED WITH NEW CASE BACK GASKET
- Additional info – Superb Case Back with laser etch options – Sterile option ideal for personalization custom laser etching. Supplied with new gasket/seal – check out our 7 laser options!
Suitable for:
- Seiko divers 200M 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- 5 Sports collection – SRPD55K3, SRPD57K1, SRPD59K1, SRPD55K1, SRPD55K3, SRPD57K1, SRPD59K1, SRPD61K1, SRPD63K1, SRPD65K1, and SRPD65K4
- 5 Suits collection – SRPD65K2, SRPD67K1, SRPD69K1, SRPD71K1, SRPD71K2, SRPD73K1, SRPD73K2, and SRPD75K1
- 5 Specialists collection – SRPD55K2, SRPD65K3, and SRPD76K1
- 5 Street collection – SRPD79K1, SRPD81K1, and SRPD83K1
- 5 Sense collection – SRPD77K and SRPD85K1
- Mid-Size 200M – SKX013 SKX015
- 6309-7040 6309-7049 6309-7290 6309-729A 6309-729B 6306-7000 6306-7001
- All New and Old Samurai models
- Vintage 150M 6306 6309 7002 – All variants
- SRP Turtle: SRP775 SRP777 SRP779 SRPA21 SRPC44 SRPC95
- Samurai: SRPB09 SRPB49 SRPB51 SRPB53 SRPB55 SRPB99 SRPC93 SRPD03
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CT200H – OCP – Caseback
Read moreCT200H – OCP – Caseback
General Description:
- Material – 316L Surgical stainless steel
- Type/Design – Sterile case back no identification 200M rated – OCP
- Ref dimensions – Seiko OEM dimensions.
- ALL OPTIONS SUPPLIED WITH NEW CASE BACK GASKET
- Additional info – Superb Case Back with laser etch options – Sterile option ideal for personalization custom laser etching. Supplied with new gasket/seal – check out our 7 laser options!
Suitable for:
- Seiko divers 200M 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- 5 Sports collection – SRPD55K3, SRPD57K1, SRPD59K1, SRPD55K1, SRPD55K3, SRPD57K1, SRPD59K1, SRPD61K1, SRPD63K1, SRPD65K1, and SRPD65K4
- 5 Suits collection – SRPD65K2, SRPD67K1, SRPD69K1, SRPD71K1, SRPD71K2, SRPD73K1, SRPD73K2, and SRPD75K1
- 5 Specialists collection – SRPD55K2, SRPD65K3, and SRPD76K1
- 5 Street collection – SRPD79K1, SRPD81K1, and SRPD83K1
- 5 Sense collection – SRPD77K and SRPD85K1
- Mid-Size 200M – SKX013 SKX015
- 6309-7040 6309-7049 6309-7290 6309-729A 6309-729B 6306-7000 6306-7001
- All New and Old Samurai models
- Vintage 150M 6306 6309 7002 – All variants
- SRP Turtle: SRP775 SRP777 SRP779 SRPA21 SRPC44 SRPC95
- Samurai: SRPB09 SRPB49 SRPB51 SRPB53 SRPB55 SRPB99 SRPC93 SRPD03
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CT239 – Sapphire Display Case Back (2 Designs) – SKX007 SRPD SKX013 SRP
Read moreCT239 – Sapphire Display Case Back (2 Designs) – SKX007 SRPD SKX013 SRP
- Material – 316L Surgical stainless steel
- Type/Design – 200M SAPPHIRE DISPLAY CASE BACK – 200M RATED
- A number of display case backs on the market are 100M at best – THIS IS GUARANTEED 200M
- Sapphire Crystal options –
- Type A – clear sapphire only no other options available
- Type B – 4 options – clear sapphire polished, clear sapphire black, BLUE AR SAPPHIRE Polished, RED AR SAPPHIRE Polished.
- Ref dimensions – Sits 0.6mm higher than standard oem 0020 case back
- Finishes – High Polish SS | Black
- SUPPLIED WITH NEW CASE BACK GASKET
- Additional info – Superb 200M Display Case Back with Sapphire Crystal. Supplied complete with new gasket/seal. 200M plus tested during development.
- Video
2 Options –
- A – For use with the thicker black movement spacer e.g. 7S26
- B – For use with the thinner NH35/36 grey movement spacer
- Suitable for – Seiko divers 200M 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- SRP Turtle: SRP775 SRP777 SRP779 SRPA21 SRPC44 SRPC95
- Samurai: SRPB09 SRPB49 SRPB51 SRPB53 SRPB55 SRPB99 SRPC93 SRPD03
- SKX013 SKX015
- SEIKOMODS CASES – CT700 CT702 CT703 CT705 CT706 CT707 CT708 CT709 CT711
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Polished Caseback With Spacer
Read morePolished Caseback With Spacer
- Material:Â 316L Surgical stainless steel
- Type/Design: Sterile case back no identification 500M rated
- High polished finish
- Suitable for: Seiko divers 200M 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- New SRPD Collection
- 5 Sports collection – SRPD55K3, SRPD57K1, SRPD59K1, SRPD55K1, SRPD55K3, SRPD57K1, SRPD59K1, SRPD61K1, SRPD63K1, SRPD65K1, and SRPD65K4
- 5 Suits collection – SRPD65K2, SRPD67K1, SRPD69K1, SRPD71K1, SRPD71K2, SRPD73K1, SRPD73K2, and SRPD75K1
- 5 Specialists collection – SRPD55K2, SRPD65K3, and SRPD76K1
- 5 Street collection – SRPD79K1, SRPD81K1, and SRPD83K1
- 5 Sense collection – SRPD77K and SRPD85K1
- Mid-Size 200M – SKX013 SKX015
- SRP Turtle: SRP775 SRP777 SRP779 SRPA21 SRPC44 SRPC95
- Samurai: SRPB09 SRPB49 SRPB51 SRPB53 SRPB55 SRPB99 SRPC93 SRPD03
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Polished Seiko Slim Case Back
38.04$ Add to cartPolished Seiko Slim Case Back
- Material – 316L Surgical stainless steel
- Type/Design – Sterile case back – slim/thinner design saving @0.9mm over the standard CT200 – 100M rated – Built in spacer for NH movements with grey movement holder
- Finish – Hi Polish
- Suitable for: Seiko divers 200M 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- Our Cases – CT700 CT702 CT705 CT706 CT707 CT708 CT709 CT712 CT713 CT714 CT715 CT716 CT717 CT718
- SRP Turtles – All
- Mid-Size 200M – SKX013 SKX015
- All New and Old Samurai models
- Vintage 150M 6306 6309 7002 – All variants
38.04$ -

Seiko SG NH Caseback
27.17$ Add to cartSeiko SG NH Caseback
- Material – 316L Surgical stainless steel
- Type/Design – SG case back  – High polish finish – Integral spacer built in to allow fitment of NH movements with the thinner grey movement spacer e.g. NH35/36/38
- Finish – High Polish
- Suitable for – Seiko divers 200M 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K + Any of our cases.
- New SRPD Collection
- 5 Sports collection – SRPD55K3, SRPD57K1, SRPD59K1, SRPD55K1, SRPD55K3, SRPD57K1, SRPD59K1, SRPD61K1, SRPD63K1, SRPD65K1, and SRPD65K4
- 5 Suits collection – SRPD65K2, SRPD67K1, SRPD69K1, SRPD71K1, SRPD71K2, SRPD73K1, SRPD73K2, and SRPD75K1
- 5 Specialists collection – SRPD55K2, SRPD65K3, and SRPD76K1
- 5 Street collection – SRPD79K1, SRPD81K1, and SRPD83K1
- 5 Sense collection – SRPD77K and SRPD85K1
- Mid-Size 200M – SKX013 SKX015
27.17$